| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20210101 |
| Unknown | China national standards | MT | 120.0 | USD | 20210101 |
| Unknown | China national standards | MT | 100.0 | USD | 20210101 |
| Unknown | China national standards | MT | 820.0 | USD | 20201223 |
| Unknown | China national standards | MT | 850.0 | USD | 20201222 |
| Unknown | China national standards | MT | 620.0 | USD | 20201222 |
| Unknown | China national standards | MT | 140.0 | USD | 20201221 |
| Unknown | China national standards | MT | 160.0 | USD | 20201221 |
| Unknown | China national standards | MT | 90.0 | USD | 20201221 |
| Unknown | China national standards | MT | 930.0 | USD | 20201221 |